It can be done but becareful of relapse. I had 25 track, 2 road, 1 mtb and 1 cylocross 15yrs ago then got down to 1 .
Recently, 30 track, 3 road, 0mtb and 0 cyclocross, now 11 track , 2 road and 0 mtb and cyclocross.
Yes all mine to be ridden. hope to be down to 5 track, 1 road, 1 mtb or cyclocross.
S/F,
CEYA!